{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1f05d068f43f3bf0f36e7a3a23ca6332d627c21053abb27c1b17649f5b37e77a",
    "signature": "0x250b708b7d5a9d4bbb0de3b814771741e47f4ef1515d316d80a2166b8107504756c1bd4f851f03c4726aa323aaaed717fcad8d747bb030af0ed56d6f4695b94a1b",
    "signer": "0xCD23b5ae760853367a8773a7E36005e3E44cbcbC",
    "userId": "208462349"
  }
}